GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...

One of the ways to determine how useful a directory and its contents are or to produce a summary that gives you a sense of what the contents are about is to collect statistics on the number of files, ...

It’s easy to take the Unix command line for granted. That is, it’s easy to get used to typing in commands and getting responses without thinking very much about how the system determines what command ...

There are several softwares to convert text files from UNIX or Linux to DOS operating systems and vice-versa. However, it always helps to know the manual conversion. In shell programming languages ...